Check engine light on Gen III

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by MICHELE RUFFIN, Dec 16, 2009.

  1. MICHELE RUFFIN

    MICHELE RUFFIN New Member

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    2010 Prius
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    II
    My check engine light is on. Goes to dealer today. 2010 with 6000 ish miles. Will keep you posted on results.
     
    #1 MICHELE RUFFIN, Dec 16, 2009
  2. firepa63

    firepa63 Former Prius Owner

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    #2 firepa63, Dec 16, 2009
  3. adamace1

    adamace1 Senior Member

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    Did you check the gas cap to make sure it was tight?
     
    #3 adamace1, Dec 17, 2009
  4. MICHELE RUFFIN

    MICHELE RUFFIN New Member

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    Location:
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    Vehicle:
    2010 Prius
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    II
    Dealer said it was a bad O2 sensor and they will replace it next week. Hope this isn't an indication to the quality of this car. I have actually thought about selling it back to the dealer.
     
    #4 MICHELE RUFFIN, Dec 17, 2009
  5. JimN

    JimN Let the games begin!

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    #5 JimN, Dec 17, 2009
  6. sciguy125

    sciguy125 Junior Member

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    FYI, the O2 sensor is one of the most unnecessarily replaced parts on a car. There's various problems a car can have that would falsely cause the O2 sensor to throw an error.
     
    #6 sciguy125, Dec 17, 2009
  7. Sieglinde

    Sieglinde New Member

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    Location:
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    II
    My check engine light was caused by the gas cap. The first thing they asked me when I called the dealer was whether I had gassed up recently. I made sure the cap clicked and the next day when I started the car the check engine light was off. A co-worker with a Honda said the same thing happens to her.
     
    #7 Sieglinde, Feb 3, 2010
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